8573613136 has 40 divisors (see below), whose sum is σ = 18542947104. Its totient is φ = 3806463360.

The previous prime is 8573613133. The next prime is 8573613161. The reversal of 8573613136 is 6313163758.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 8573613092 and 8573613101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8573613133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558871 + ... + 574006.

Almost surely, 2^8573613136 is an apocalyptic number.

8573613136 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

8573613136 is an abundant number, since it is smaller than the sum of its proper divisors (9969333968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8573613136 is a wasteful number, since it uses less digits than its factorization.

8573613136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132939 (or 1132933 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 8573613136 is about 92593.8072227295. The cubic root of 8573613136 is about 2046.7020648149.

The spelling of 8573613136 in words is "eight billion, five hundred seventy-three million, six hundred thirteen thousand, one hundred thirty-six".